UN-SPIDER news:

In the predawn hours last Friday, the National Polar-Orbiting Operational Environmental Satellite System Preparation Project satellite (let’s just call it NPP for short) was launched from Vandenberg Air Force Base in California, five years after its originally scheduled launch date.

A new type of Earth-observing satellite has been launched into orbit. The National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project, or NPP, will fly at an altitude of 824 km in a